Link is a light rail system serving the Seattle metropolitan area and operated by Sound Transit. The network consists of 25 stations on two unconnected lines: nineteen on Line 1 and six on Line T in Tacoma. Link stations are located within four cities in King and Pierce counties: fourteen in Seattle, five in Tacoma, two in SeaTac and one in Tukwila. The two lines had a combined average weekday ridership of 82,783 and total ridership of 26 million in 2019, placing it seventh among the busiest light rail systems in the United States. The busiest station by daily ridership is Westlake station in Seattle, while the least busy is Convention Center/South 15th Street station in Tacoma.